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https://issues.apache.org/jira/browse/METAMODEL-206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14991283#comment-14991283
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Kasper Sørensen commented on METAMODEL-206:
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I would in deed not classify this as a bug, but a design choice - for now at
least.
I am actually not aware of any dataset implementations where you can start
over. Can you give any examples? The DataSet interface doesn't reveal any
methods to do so, so I would be surprised if it is somehow possible. Maybe
_that_ is a bug, haha ;-)
> JDBC Datasets are TYPE_FORWARD_ONLY
> -----------------------------------
>
> Key: METAMODEL-206
> URL: https://issues.apache.org/jira/browse/METAMODEL-206
> Project: Apache MetaModel
> Issue Type: Bug
> Affects Versions: 4.4.1
> Reporter: Geraud Campion
> Priority: Minor
>
> Many of the other DataContext's Datasets allow you to iterate through the
> dataset multiple times. However, JDBCDataContext only allows you to do this
> once. To workaround, I can reexecute the query before iterating the second
> time.
> I believe this is caused by executing statements using
> ResultSet.TYPE_FORWARD_ONLY. This may not actually be a bug. I am not sure if
> this is by design to provide better performance and ensure concurrency.
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